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rxrpc: Trace received aborts 

Add a tracepoint (rxrpc_rx_abort) to record received aborts.

Signed-off-by: David Howells <dhowells@redhat.com>
zero-colors
David Howells 2017-04-06 10:12:00 +01:00
parent fb46f6ee10
commit 005ede286f
2 changed files with 27 additions and 1 deletions
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24
include/trace/events/rxrpc.h
View File

@ -683,6 +683,30 @@ TRACE_EVENT(rxrpc_rx_ack,
__entry->n_acks)
);
TRACE_EVENT(rxrpc_rx_abort,
TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
u32 abort_code),
TP_ARGS(call, serial, abort_code),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(rxrpc_serial_t, serial )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->serial = serial;
__entry->abort_code = abort_code;
),
TP_printk("c=%p ABORT %08x ac=%d",
__entry->call,
__entry->serial,
__entry->abort_code)
);
TRACE_EVENT(rxrpc_tx_data,
TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,
rxrpc_serial_t serial, u8 flags, bool retrans, bool lose),

4
net/rxrpc/input.c
View File

@ -877,7 +877,7 @@ static void rxrpc_input_ackall(struct rxrpc_call *call, struct sk_buff *skb)
}
/*
* Process an ABORT packet.
* Process an ABORT packet directed at a call.
*/
static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb)
{
@ -892,6 +892,8 @@ static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb)
&wtmp, sizeof(wtmp)) >= 0)
abort_code = ntohl(wtmp);
trace_rxrpc_rx_abort(call, sp->hdr.serial, abort_code);
_proto("Rx ABORT %%%u { %x }", sp->hdr.serial, abort_code);
if (rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,